Home / 53,845.46-80,763.56-32,780.03

Finding the Fourth Proportional to 53,845.46, 80,763.56 and 32,780.03

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Solution

The fourth proportional to 53,845.46, 80,763.56 and 32,780.03 is: 49,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.46 : 80,763.56 = 32,780.03 : x
  2. Step 2: Convert to fraction form
    53,845.46/80,763.56 = 32,780.03/x
  3. Step 3: Cross multiply
    53,845.46x = 80,763.56 × 32,780.03
  4. Step 4: Simplify right side
    53,845.46x = 2,647,431,919.71
  5. Step 5: Solve for x
    x = 2,647,431,919.71/53,845.46
  6. Step 6: Final answer
    x = 49,167.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.